Baidu Antivirus has received many accolades on the strength of its security, including recognition from VB100, AV-Comparatives Checkmark and OPSWAT. It is also a proud member of the Microsoft Active Protections Program.

Data Security, Free Forever.

Baidu Antivirus is 100% free, forever. Keep your computer safe with our award-winning security as long as you want, at no cost. Our upgrades, cloud file scanning, and new virus definitions are always free.

Powerful Tools

Malicious Plug-in Cleaner

Easily remove more than 300,000 malicious plug-ins to make your PC faster and cleaner.

Baidu Antivirus prevents over 2,462,791 viruses per day.
Baidu Antivirus can identify harmful viruses in less than 0.25 seconds.

Proactive Defense

Baidu Antivirus combines local proactive defense features with its powerful cloud engine. With our intelligent technology, we can directly monitor a program's behavior locally to determine if it is a virus while dynamically identifying and characterizing the code in the cloud to quickly and accurately eradicate it.